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Intel 430HX PCIset - 82439HX System Controller (TXC)
The Intel 430HX PCIset consists of the 82439HX System Controller (TXC) and the 82371SB PCI I/O IDE Xcelerator (PIIX3). The TXC is a single-chip host-to-PCI bridge and provides the second level cache control and DRAM control functions. This document contains an architecture overview, signal descriptions, register descriptions, functional descriptions, pinout and package information, and testability information on the 82439HX (TXC). For information on the 82371SB (PIIX3), please see the "82371FB (PIIX) and 82371SB (PIIX3) PCI ISA IDE Xcelerator" datasheet.
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